Check step 2 to confirm Disk Utility is Showing All Devices

NOTE: If you don’t see Scheme, then make sure that all devices are showing and the non-indented entry is selected. Select the non-indented entry, you will see Media in the nameĬlick the button labelled Erase in the menu which will bring up this window.Click View in the upper left and select Show All Devices.To open Disk Utility - Open Finder > Applications > Utilities > Disk Utility IMPORTANT: Reformatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. Click here to see other formatting options for your operating system.Looking for a different formatting option? If you need to go between macOS and Windows then format your drive ExFAT on macOS APFS does not natively work with Windows.APFS formatted external drives are not compatible with Time Machine on macOS versions High Sierra to Catalina. Time Machine requires the external drive to be formatted Mac OS Extended (Journaled) for these versions.APFS is only available when Scheme is set to ‘GUID Partition Map’, APFS will not be shown when Scheme is set to Master Boot Record – See Step 6.APFS is not officially supported for macOS versions prior to 10.13 (High Sierra), and will not mount on 10.12 and earlier.It is important to keep the following in mind when formatting to APFS: Not seeing your version of macOS? Click here to see other versions of macOS and different formatting options.Not sure which version you are using? Click here to determine your version of macOS.IMPORTANT: This article applies to the following macOS versions:

Macos high sierra to catalina upgrade